Konus Konuslight-RT LED Flashlight White 500/1500/2500 Lumens Black. Its amazing feature in fact is the Turbo mode which allows for maximum light output in an instant. It has a basic beam of 1500 lumens which increases to 2500 lumens with Turbo mode can also be used as a lantern and has a magnetic base. Specifications for Konus Konuslight-RT LED Flashlight: Manufacturer: Konus Color: Black Fabric/Material: Aluminum Alloy Beam Color: White Light Output: 500 - 2500 lumens Battery Life: 4 Hours Charger Type: USB Bulb Type: LED Diameter: 1.57 in Lens Material: Glass Length: 5.9 in Weight: 7.77 oz Water Resistance Level: IP55 Additional Features: Push Button Quantity: 1 Battery Type: Lithium Ion Package Contents: Konus Konuslight-RT LED Flashlight USB Charging Cable Lanyard Konus 3934: Konuslight-RT LED Flashlight White 500/1500/2500 Lumens Black